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Finding the Fourth Proportional to 43.67, 65.52 and 33.66

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Solution

The fourth proportional to 43.67, 65.52 and 33.66 is: 50.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.67 : 65.52 = 33.66 : x
  2. Step 2: Convert to fraction form
    43.67/65.52 = 33.66/x
  3. Step 3: Cross multiply
    43.67x = 65.52 × 33.66
  4. Step 4: Simplify right side
    43.67x = 2,205.40
  5. Step 5: Solve for x
    x = 2,205.40/43.67
  6. Step 6: Final answer
    x = 50.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.